Ladder Polymer Semiconductors for Electronics

研究：当前聚合物电子器件（如薄膜晶体管、光伏电池和光电探测器）的性能主要受到当前材料低载流子迁移率的限制。本研究的总体目标是开发下一代高载流子迁移率聚合物和混合有机-无机半导体，并探索其在电子器件中的应用。这项研究部分是基于首席研究员（PI）最近在一种共轭阶梯聚合物的自旋涂层纳米晶体薄膜中发现的高电子迁移率。计划中的研究将：(i)开发电子场效应迁移率超过1 cm2/Vs的新型阶梯聚合物半导体；合成和开发载流子迁移率超过10 cm2/Vs的新型有机-无机杂化半导体；(3)建立了载流子迁移率与聚合物和杂化有机-无机半导体的分子结构和固态形态之间的关系；（四）探索新型高迁移率阶梯聚合物和有机-无机杂化半导体在场效应晶体管和光伏电池中的应用。更广泛的影响：具有高电子迁移率的聚合物将有助于开发用于逻辑和存储功能的全塑料互补集成电路，并有助于提高塑料太阳能电池的效率。这些进展可能对加速塑料电子产品在许多信息技术领域和便携式电源中的应用的新时代产生重大影响。学院开设了有机电子学、电子和光电子聚合物的课程，这些课程在化学工程、化学、材料科学、电气工程、生物工程、物理、机械工程和林业等许多领域都有研究生选修。PI在华盛顿大学和其他机构的科学和工程专业指导几名女性和非裔美国青年教师。他是一家对塑料电子产品商业化感兴趣的小型初创公司的顾问。

ABSTRACTPI: Samson A. Jenekhe Institution: University of WashingtonProposal Number: 0437912Research: The performance of current polymer electronic devices, such as thin film transistors, photovoltaic cells, and photodetectors, is limited primarily by the low charge carrier mobilities of current materials. The overall goal of this research is to develop next generation high carrier mobility polymer and hybrid organic-inorganic semiconductors and explore their device applications in electronics. The research is based in part on the principal investigator's (PI's) recent discovery of high electron mobility in spin coated, nanocrystalline, thin films of a conjugated ladder polymer. The planned research will: (i) develop new ladder polymer semiconductors having field-effect mobility of electrons exceeding 1 cm2/Vs; (ii) synthesize and develop new organic-inorganic hybrid semiconductors with carrier mobility exceeding 10 cm2/Vs; (iii) establish the relationships between charge carrier mobility and molecular structure and solid state morphology of polymer and hybrid organic-inorganic semiconductors; and (iv) explore the new high mobility ladder polymer and organic-inorganic hybrid semiconductors in field-effect transistors and photovoltaic cells. Broader Impacts: Polymers having high electron mobility will be useful for developing all-plastic complementary integrated circuits for logic and memory functions and for improving the efficiency of plastic solar cells. These advances could have major impact in accelerating the emerging era of plastic electronics for applications in many areas of information technologies and in portable power sources. The PI has developed courses on organic electronics and electronic and optoelectronic polymers that have been taken by graduate students in many fields including chemical engineering, chemistry, materials science, electrical engineering, bioengineering, physics, mechanical engineering, and forestry. The PI mentors several female and African American junior faculty in science and engineering at the University of Washington and other institutions. He is a consultant to a small start-up company interested in commercializing plastic electronics..